blob: de7d4b6f47ae8008d0e85da25dff62f0bec03631 [file] [log] [blame]
/*
* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*===========================================================================
W L A N _ Q C T _ WDA _ DS . C
OVERVIEW:
This software unit holds the implementation of WLAN Data Abtraction APIs
for the WLAN Transport Layer.
DEPENDENCIES:
Are listed for each API below.
Copyright (c) 2010-2011 QUALCOMM Incorporated.
All Rights Reserved.
Qualcomm Confidential and Proprietary
===========================================================================*/
/*===========================================================================
EDIT HISTORY FOR FILE
This section contains comments describing changes made to the module.
Notice that changes are listed in reverse chronological order.
$Header:$ $DateTime: $ $Author: $
when who what, where, why
-------- --- ----------------------------------------------
12/08/2010 seokyoun Created. Move down HAL interfaces from TL to WDA
for UMAC convergence btween Volans/Libra and Prima
=========================================================================== */
#include "wlan_qct_wda.h"
#include "wlan_qct_tl.h"
#include "wlan_qct_tli.h"
#include "tlDebug.h"
#if defined( FEATURE_WLAN_NON_INTEGRATED_SOC )
#include "wlan_bal_misc.h"
#endif
#define WDA_DS_DXE_RES_COUNT (WDA_TLI_MIN_RES_DATA + 20)
#define VOS_TO_WPAL_PKT(_vos_pkt) ((wpt_packet*)_vos_pkt)
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
#define WDA_HI_FLOW_MASK 0xF0
#define WDA_LO_FLOW_MASK 0x0F
static v_VOID_t
WDA_DS_TxCompleteCB
(
v_PVOID_t pvosGCtx,
v_PVOID_t pFrameDataBuff
);
#endif
#if defined( FEATURE_WLAN_NON_INTEGRATED_SOC )
/*==========================================================================
FUNCTION WDA_DS_PrepareBDHeader
DESCRIPTION
Inline function for preparing BD header before HAL processing.
DEPENDENCIES
Just notify HAL that suspend in TL is complete.
PARAMETERS
IN
vosDataBuff: vos data buffer
ucDisableFrmXtl: is frame xtl disabled
OUT
ppvBDHeader: it will contain the BD header
pvDestMacAddr: it will contain the destination MAC address
pvosStatus: status of the combined processing
pusPktLen: packet len.
RETURN VALUE
No return.
SIDE EFFECTS
============================================================================*/
void
WDA_DS_PrepareBDHeader
(
vos_pkt_t* vosDataBuff,
v_PVOID_t* ppvBDHeader,
v_MACADDR_t* pvDestMacAddr,
v_U8_t ucDisableFrmXtl,
VOS_STATUS* pvosStatus,
v_U16_t* pusPktLen,
v_U8_t ucQosEnabled,
v_U8_t ucWDSEnabled,
v_U8_t extraHeadSpace
)
{
v_U8_t ucHeaderOffset;
v_U8_t ucHeaderLen;
#ifndef WLAN_SOFTAP_FEATURE
v_PVOID_t pvPeekData;
#endif
v_U8_t ucBDHeaderLen = WLANTL_BD_HEADER_LEN(ucDisableFrmXtl);
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/*-------------------------------------------------------------------------
Get header pointer from VOSS
!!! make sure reserve head zeros out the memory
-------------------------------------------------------------------------*/
vos_pkt_get_packet_length( vosDataBuff, pusPktLen);
if ( WLANTL_MAC_HEADER_LEN(ucDisableFrmXtl) > *pusPktLen )
{
TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL: Length of the packet smaller than expected network"
" header %d", *pusPktLen ));
*pvosStatus = VOS_STATUS_E_INVAL;
return;
}
vos_pkt_reserve_head( vosDataBuff, ppvBDHeader,
ucBDHeaderLen );
if ( NULL == *ppvBDHeader )
{
TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:VOSS packet corrupted on Attach BD header"));
*pvosStatus = VOS_STATUS_E_INVAL;
return;
}
/*-----------------------------------------------------------------------
Extract MAC address
-----------------------------------------------------------------------*/
#ifdef WLAN_SOFTAP_FEATURE
{
v_SIZE_t usMacAddrSize = VOS_MAC_ADDR_SIZE;
*pvosStatus = vos_pkt_extract_data( vosDataBuff,
ucBDHeaderLen +
WLANTL_MAC_ADDR_ALIGN(ucDisableFrmXtl),
(v_PVOID_t)pvDestMacAddr,
&usMacAddrSize );
}
#else
*pvosStatus = vos_pkt_peek_data( vosDataBuff,
ucBDHeaderLen +
WLANTL_MAC_ADDR_ALIGN(ucDisableFrmXtl),
(v_PVOID_t)&pvPeekData,
VOS_MAC_ADDR_SIZE );
/*Fix me*/
vos_copy_macaddr(pvDestMacAddr, (v_MACADDR_t*)pvPeekData);
#endif
if ( VOS_STATUS_SUCCESS != *pvosStatus )
{
TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:Failed while attempting to extract MAC Addr %d",
*pvosStatus));
}
else
{
/*---------------------------------------------------------------------
Fill MPDU info fields:
- MPDU data start offset
- MPDU header start offset
- MPDU header length
- MPDU length - this is a 16b field - needs swapping
--------------------------------------------------------------------*/
ucHeaderOffset = ucBDHeaderLen;
ucHeaderLen = WLANTL_MAC_HEADER_LEN(ucDisableFrmXtl);
if ( 0 != ucDisableFrmXtl )
{
if ( 0 != ucQosEnabled )
{
ucHeaderLen += WLANTL_802_11_HEADER_QOS_CTL;
}
// Similar to Qos we need something for WDS format !
if ( ucWDSEnabled != 0 )
{
// If we have frame translation enabled
ucHeaderLen += WLANTL_802_11_HEADER_ADDR4_LEN;
}
if ( extraHeadSpace != 0 )
{
// Decrease the packet length with the extra padding after the header
*pusPktLen = *pusPktLen - extraHeadSpace;
}
}
WLANHAL_TX_BD_SET_MPDU_HEADER_LEN( *ppvBDHeader, ucHeaderLen);
WLANHAL_TX_BD_SET_MPDU_HEADER_OFFSET( *ppvBDHeader, ucHeaderOffset);
WLANHAL_TX_BD_SET_MPDU_DATA_OFFSET( *ppvBDHeader,
ucHeaderOffset + ucHeaderLen + extraHeadSpace);
WLANHAL_TX_BD_SET_MPDU_LEN( *ppvBDHeader, *pusPktLen);
TLLOG2(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"WLAN TL: VALUES ARE HLen=%x Hoff=%x doff=%x len=%x ex=%d",
ucHeaderLen, ucHeaderOffset,
(ucHeaderOffset + ucHeaderLen + extraHeadSpace),
*pusPktLen, extraHeadSpace));
}/* if peek MAC success*/
}/* WLANTL_PrepareBDHeader */
#endif /* FEATURE_WLAN_NON_INTEGRATED_SOC */
#ifdef WLAN_PERF
/*==========================================================================
FUNCTION WDA_TLI_FastHwFwdDataFrame
DESCRIPTION
For NON integrated SOC, this function is called by TL.
Fast path function to quickly forward a data frame if HAL determines BD
signature computed here matches the signature inside current VOSS packet.
If there is a match, HAL and TL fills in the swapped packet length into
BD header and DxE header, respectively. Otherwise, packet goes back to
normal (slow) path and a new BD signature would be tagged into BD in this
VOSS packet later by the WLANHAL_FillTxBd() function.
TODO For integrated SOC, this function does nothing yet. Pima SLM/HAL
should provide the equivelant functionality.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
vosDataBuff Ptr to VOSS packet
pMetaInfo For getting frame's TID
pStaInfo For checking STA type
OUT
pvosStatus returned status
puFastFwdOK Flag to indicate whether frame could be fast forwarded
RETURN VALUE
No return.
SIDE EFFECTS
============================================================================*/
void WDA_TLI_FastHwFwdDataFrame
(
v_PVOID_t pvosGCtx,
vos_pkt_t* vosDataBuff,
VOS_STATUS* pvosStatus,
v_U32_t* puFastFwdOK,
WLANTL_MetaInfoType* pMetaInfo,
WLAN_STADescType* pStaInfo
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/* FIXME WDI/WDA should support this function
once HAL supports it
*/
#else /* FEATURE_WLAN_INTEGRATED_SOC */
v_PVOID_t pvPeekData;
v_U8_t ucDxEBDWLANHeaderLen = WLANTL_BD_HEADER_LEN(0) + sizeof(WLANBAL_sDXEHeaderType);
v_U8_t ucIsUnicast;
WLANBAL_sDXEHeaderType *pDxEHeader;
v_PVOID_t pvBDHeader;
v_PVOID_t pucBuffPtr;
v_U16_t usPktLen;
/*-----------------------------------------------------------------------
Extract packet length
-----------------------------------------------------------------------*/
vos_pkt_get_packet_length( vosDataBuff, &usPktLen);
/*-----------------------------------------------------------------------
Extract MAC address
-----------------------------------------------------------------------*/
*pvosStatus = vos_pkt_peek_data( vosDataBuff,
WLANTL_MAC_ADDR_ALIGN(0),
(v_PVOID_t)&pvPeekData,
VOS_MAC_ADDR_SIZE );
if ( VOS_STATUS_SUCCESS != *pvosStatus )
{
TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:Failed while attempting to extract MAC Addr %d",
*pvosStatus));
*pvosStatus = VOS_STATUS_E_INVAL;
return;
}
/*-----------------------------------------------------------------------
Reserve head room for DxE header, BD, and WLAN header
-----------------------------------------------------------------------*/
vos_pkt_reserve_head( vosDataBuff, &pucBuffPtr,
ucDxEBDWLANHeaderLen );
if ( NULL == pucBuffPtr )
{
TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:No enough space in VOSS packet %p for DxE/BD/WLAN header", vosDataBuff));
*pvosStatus = VOS_STATUS_E_INVAL;
return;
}
pDxEHeader = (WLANBAL_sDXEHeaderType *)pucBuffPtr;
pvBDHeader = (v_PVOID_t) &pDxEHeader[1];
/* UMA Tx acceleration is enabled.
* UMA would help convert frames to 802.11, fill partial BD fields and
* construct LLC header. To further accelerate this kind of frames,
* HAL would attempt to reuse the BD descriptor if the BD signature
* matches to the saved BD descriptor.
*/
if(pStaInfo->wSTAType == WLAN_STA_IBSS)
ucIsUnicast = !(((tANI_U8 *)pvPeekData)[0] & 0x01);
else
ucIsUnicast = 1;
*puFastFwdOK = (v_U32_t) WLANHAL_TxBdFastFwd(pvosGCtx, pvPeekData, pMetaInfo->ucTID, ucIsUnicast, pvBDHeader, usPktLen );
/* Can't be fast forwarded. Trim the VOS head back to original location. */
if(! *puFastFwdOK){
vos_pkt_trim_head(vosDataBuff, ucDxEBDWLANHeaderLen);
}else{
/* could be fast forwarded. Now notify BAL DxE header filling could be completely skipped
*/
v_U32_t uPacketSize = WLANTL_BD_HEADER_LEN(0) + usPktLen;
vos_pkt_set_user_data_ptr( vosDataBuff, VOS_PKT_USER_DATA_ID_BAL,
(v_PVOID_t)uPacketSize);
pDxEHeader->size = SWAP_ENDIAN_UINT32(uPacketSize);
}
*pvosStatus = VOS_STATUS_SUCCESS;
return;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
#endif /*WLAN_PERF*/
/*==========================================================================
FUNCTION WDA_DS_Register
DESCRIPTION
Register TL client to WDA. This function registers TL RX/TX functions
to WDI by calling WDI_DS_Register.
For NON integrated SOC, this function calls WLANBAL_RegTlCbFunctions
to register TL's RX/TX functions to BAL
TODO
For Prima, pfnResourceCB gets called in WDTS_OOResourceNotification.
The uCount parameter is AC mask. It should be redefined to use the
same resource callback function.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
pfnTxCompleteCallback TX complete callback upon TX completion
pfnRxPacketCallback RX callback
pfnTxPacketCallback TX callback
pfnResourceCB gets called when updating TX PDU number
uResTheshold minimum TX PDU size for a packet
pCallbackContext WDI calls callback function with it
VOS global context pointer
OUT
uAvailableTxBuf available TX PDU numbder.
BAL returns it for NON integrated SOC
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS WDA_DS_Register
(
v_PVOID_t pvosGCtx,
WDA_DS_TxCompleteCallback pfnTxCompleteCallback,
WDA_DS_RxPacketCallback pfnRxPacketCallback,
WDA_DS_TxPacketCallback pfnTxPacketCallback,
WDA_DS_ResourceCB pfnResourceCB,
v_U32_t uResTheshold,
v_PVOID_t pCallbackContext,
v_U32_t *uAvailableTxBuf
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
tWDA_CbContext *wdaContext = NULL;
WDI_Status wdiStatus;
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"WLAN WDA: WDA_DS_Register" );
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( ( NULL == pvosGCtx ) ||
( NULL == pfnTxPacketCallback ) ||
( NULL == pfnTxCompleteCallback ) ||
( NULL == pfnRxPacketCallback ) ||
( NULL == pfnResourceCB) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WLAN WDA:Invalid pointers on WDA_DS_Register" );
return VOS_STATUS_E_FAULT;
}
/*------------------------------------------------------------------------
Extract WDA context
------------------------------------------------------------------------*/
wdaContext = (tWDA_CbContext *)vos_get_context( VOS_MODULE_ID_WDA, pvosGCtx );
if ( NULL == wdaContext )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WLAN WDA:Invalid wda context pointer "
"from pvosGCtx on WDA_DS_Register" );
return VOS_STATUS_E_FAULT;
}
/*------------------------------------------------------------------------
Register with WDI as transport layer client
------------------------------------------------------------------------*/
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH, "WDA: WDA_DS_Register");
wdaContext->pfnTxResourceCB = pfnResourceCB;
wdaContext->pfnTxCompleteCallback = pfnTxCompleteCallback;
wdiStatus = WDI_DS_Register( wdaContext->pWdiContext,
(WDI_DS_TxCompleteCallback)WDA_DS_TxCompleteCB,
(WDI_DS_RxPacketCallback)pfnRxPacketCallback,
WDA_DS_TxFlowControlCallback,
pvosGCtx );
if ( WDI_STATUS_SUCCESS != wdiStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:TL failed to register with DAL, Err: %d", wdiStatus );
return VOS_STATUS_E_FAILURE;
}
/* TODO Out-of-resource condition if PDU size is less than WLANTL_MIN_RES_MF
Put hardcoded value not to put TL into OOR. Revisit it */
*uAvailableTxBuf = WDA_DS_DXE_RES_COUNT;
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
VOS_STATUS vosStatus;
WLANBAL_TlRegType tlReg;
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"WLAN WDA: WDA_DS_Register" );
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( ( NULL == pvosGCtx ) ||
( NULL == pfnTxPacketCallback ) ||
( NULL == pfnTxCompleteCallback ) ||
( NULL == pfnRxPacketCallback ) ||
( NULL == pfnResourceCB ) )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN WDA:Invalid pointers on WDA_DS_Register" );
return VOS_STATUS_E_FAULT;
}
/*------------------------------------------------------------------------
Register with BAL as transport layer client
------------------------------------------------------------------------*/
tlReg.receiveFrameCB = pfnRxPacketCallback;
tlReg.getTXFrameCB = pfnTxPacketCallback;
tlReg.txCompleteCB = pfnTxCompleteCallback;
tlReg.txResourceCB = pfnResourceCB;
tlReg.txResourceThreashold = uResTheshold;
tlReg.tlUsrData = pvosGCtx;
vosStatus = WLANBAL_RegTlCbFunctions( pvosGCtx, &tlReg );
if ( VOS_STATUS_SUCCESS != vosStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL: TL failed to register with BAL, Err: %d", vosStatus );
return vosStatus;
}
/*------------------------------------------------------------------------
Request resources for tx from bus
------------------------------------------------------------------------*/
vosStatus = WLANBAL_GetTxResources( pvosGCtx, uAvailableTxBuf );
if ( VOS_STATUS_SUCCESS != vosStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:TL failed to get resources from BAL, Err: %d",
vosStatus );
return vosStatus;
}
return vosStatus;
#endif
}
/*==========================================================================
FUNCTION WDA_DS_StartXmit
DESCRIPTION
Serialize TX transmit reques to TX thread.
TODO This sends TX transmit request to TL. It should send to WDI for
abstraction.
For NON integrated SOC, this function calls WLANBAL_StartXmit
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_StartXmit
(
v_PVOID_t pvosGCtx
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
vos_msg_t sMessage;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
if ( NULL == pvosGCtx )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN WDA:Invalid pointers on WDA_DS_StartXmit" );
return VOS_STATUS_E_FAULT;
}
/* Serialize our event */
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"Serializing WDA TX Start Xmit event" );
vos_mem_zero( &sMessage, sizeof(vos_msg_t) );
sMessage.bodyptr = NULL;
sMessage.type = WDA_DS_TX_START_XMIT;
return vos_tx_mq_serialize(VOS_MQ_ID_TL, &sMessage);
#else /* FEATURE_WLAN_INTEGRATED_SOC */
return WLANBAL_StartXmit( pvosGCtx );
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_FinishULA
DESCRIPTION
Serialize Finish Upper Level Authentication reques to TX thread.
DEPENDENCIES
PARAMETERS
IN
callbackRoutine routine to be called in TX thread
callbackContext user data for the above routine
RETURN VALUE
please see vos_tx_mq_serialize
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_FinishULA
(
void (*callbackRoutine) (void *callbackContext),
void *callbackContext
)
{
vos_msg_t sMessage;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/* Serialize our event */
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"Serializing WDA_DS_FinishULA event" );
vos_mem_zero( &sMessage, sizeof(vos_msg_t) );
sMessage.bodyval = (v_U32_t)callbackContext;
sMessage.bodyptr = callbackRoutine;
sMessage.type = WDA_DS_FINISH_ULA;
return vos_tx_mq_serialize(VOS_MQ_ID_TL, &sMessage);
}/*WDA_DS_FinishULA*/
/*==========================================================================
FUNCTION WDA_DS_BuildTxPacketInfo
DESCRIPTION
Build TX meta info for integrated SOC.
Same function calls HAL for reserve BD header space into VOS packet and
HAL function to fill it.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
vosDataBuff vos data buffer
pvDestMacAddr destination MAC address ponter
ucDisableFrmXtl Is frame xtl disabled?
ucQosEnabled Is QoS enabled?
ucWDSEnabled Is WDS enabled?
extraHeadSpace Extra head bytes. If it's not 0 due to 4 bytes align
of BD header.
typeSubtype typeSubtype from MAC header or TX metainfo/BD
pAddr2 address 2
uTid tid
txFlag
timeStamp
ucIsEapol
ucUP
OUT
*pusPktLen Packet length
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_BuildTxPacketInfo
(
v_PVOID_t pvosGCtx,
vos_pkt_t* vosDataBuff,
v_MACADDR_t* pvDestMacAddr,
v_U8_t ucDisableFrmXtl,
v_U16_t* pusPktLen,
v_U8_t ucQosEnabled,
v_U8_t ucWDSEnabled,
v_U8_t extraHeadSpace,
v_U8_t typeSubtype,
v_PVOID_t pAddr2,
v_U8_t uTid,
v_U8_t txFlag,
v_U32_t timeStamp,
v_U8_t ucIsEapol,
v_U8_t ucUP
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
VOS_STATUS vosStatus;
WDI_DS_TxMetaInfoType* pTxMetaInfo = NULL;
v_SIZE_t usMacAddrSize;
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/*------------------------------------------------------------------------
Sanity check
Extract TL control block
------------------------------------------------------------------------*/
if ( ( NULL == pvosGCtx ) || ( NULL == vosDataBuff ) || ( NULL == pvDestMacAddr ) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA:Invalid parameter sent on WDA_DS_BuildTxPacketInfo" );
return VOS_STATUS_E_FAULT;
}
/*------------------------------------------------------------------------
Extract TX Meta Info pointer from PAL packet
------------------------------------------------------------------------*/
pTxMetaInfo = WDI_DS_ExtractTxMetaData( VOS_TO_WPAL_PKT(vosDataBuff) );
if ( NULL == pTxMetaInfo )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:Invalid RxMetaInfo pointer from PAL packet on WLANTL_RxFrames");
VOS_ASSERT( 0 );
return VOS_STATUS_E_FAULT;
}
/* Zero out memeory */
vos_mem_zero( pTxMetaInfo, sizeof( WDI_DS_TxMetaInfoType ) );
/* Fill the TX Meta info */
pTxMetaInfo->txFlags = txFlag;
pTxMetaInfo->qosEnabled = ucQosEnabled;
pTxMetaInfo->fenableWDS = ucWDSEnabled;
pTxMetaInfo->ac = ucUP;
pTxMetaInfo->fUP = uTid;
pTxMetaInfo->isEapol = ucIsEapol;
pTxMetaInfo->fdisableFrmXlt = ucDisableFrmXtl;
pTxMetaInfo->frmType = ( ( typeSubtype & 0x30 ) >> 4 );
pTxMetaInfo->typeSubtype = typeSubtype;
/* Length = MAC header + payload */
vos_pkt_get_packet_length( vosDataBuff, pusPktLen);
pTxMetaInfo->fPktlen = *pusPktLen;
// Dst address
usMacAddrSize = VOS_MAC_ADDR_SIZE;
vosStatus = vos_pkt_extract_data( vosDataBuff,
WLANTL_MAC_ADDR_ALIGN( ucDisableFrmXtl ),
(v_PVOID_t)pvDestMacAddr,
&usMacAddrSize );
if ( VOS_STATUS_SUCCESS != vosStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WDA:Failed while attempting to extract MAC Addr %d",
vosStatus );
VOS_ASSERT( 0 );
return VOS_STATUS_E_FAULT;
}
VOS_ASSERT(usMacAddrSize == VOS_MAC_ADDR_SIZE);
vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->fSTAMACAddress, pvDestMacAddr );
// ADDR2
vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->addr2MACAddress, pAddr2 );
/* Dump TX meta infro for debugging */
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_LOW,
"WLAN TL: Dump TX meta info: "
"txFlags:%d, qosEnabled:%d, ac:%d, "
"isEapol:%d, fdisableFrmXlt:%d" "frmType%d",
pTxMetaInfo->txFlags, ucQosEnabled, pTxMetaInfo->ac,
pTxMetaInfo->isEapol, pTxMetaInfo->fdisableFrmXlt, pTxMetaInfo->frmType );
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
VOS_STATUS vosStatus;
v_PVOID_t pvBDHeader;
WDA_DS_PrepareBDHeader( vosDataBuff, &pvBDHeader, pvDestMacAddr, ucDisableFrmXtl,
&vosStatus, pusPktLen, ucQosEnabled, ucWDSEnabled, extraHeadSpace );
if ( VOS_STATUS_SUCCESS != vosStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:Failed while attempting to prepare BD %d", vosStatus );
return vosStatus;
}
vosStatus = WLANHAL_FillTxBd( pvosGCtx, typeSubtype, pvDestMacAddr, pAddr2,
&uTid, ucDisableFrmXtl, pvBDHeader, txFlag, timeStamp );
if ( VOS_STATUS_SUCCESS != vosStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL:Failed while attempting to fill BD %d", vosStatus );
return vosStatus;
}
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDS_DS_TrimRxPacketInfo
DESCRIPTION
Trim/Remove RX BD header for NON integrated SOC.
It does nothing for integrated SOC.
DEPENDENCIES
PARAMETERS
IN
vosDataBuff vos data buffer
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_TrimRxPacketInfo
(
vos_pkt_t *vosDataBuff
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/* Nothing to trim
* Do Nothing */
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
VOS_STATUS vosStatus = VOS_STATUS_SUCCESS;
v_U16_t usPktLen;
v_U8_t ucMPDUHOffset;
v_U16_t usMPDUDOffset;
v_U16_t usMPDULen;
v_U8_t ucMPDUHLen = 0;
v_U8_t aucBDHeader[WLANHAL_RX_BD_HEADER_SIZE];
vos_pkt_pop_head( vosDataBuff, aucBDHeader, WLANHAL_RX_BD_HEADER_SIZE);
ucMPDUHOffset = (v_U8_t)WLANHAL_RX_BD_GET_MPDU_H_OFFSET(aucBDHeader);
usMPDUDOffset = (v_U16_t)WLANHAL_RX_BD_GET_MPDU_D_OFFSET(aucBDHeader);
usMPDULen = (v_U16_t)WLANHAL_RX_BD_GET_MPDU_LEN(aucBDHeader);
ucMPDUHLen = (v_U8_t)WLANHAL_RX_BD_GET_MPDU_H_LEN(aucBDHeader);
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
"WLAN TL:BD header processing data: HO %d DO %d Len %d HLen %d"
" Tid %d BD %d",
ucMPDUHOffset, usMPDUDOffset, usMPDULen, ucMPDUHLen,
WLANHAL_RX_BD_HEADER_SIZE );
vos_pkt_get_packet_length( vosDataBuff, &usPktLen);
if (( ucMPDUHOffset >= WLANHAL_RX_BD_HEADER_SIZE ) &&
( usMPDUDOffset > ucMPDUHOffset ) &&
( usMPDULen >= ucMPDUHLen ) &&
( usPktLen >= usMPDULen ))
{
if((ucMPDUHOffset - WLANHAL_RX_BD_HEADER_SIZE) > 0)
{
vos_pkt_trim_head( vosDataBuff, ucMPDUHOffset - WLANHAL_RX_BD_HEADER_SIZE);
}
else
{
/* Nothing to trim
* Do Nothing */
}
vosStatus = VOS_STATUS_SUCCESS;
}
else
{
vosStatus = VOS_STATUS_E_FAILURE;
}
return vosStatus;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_PeekRxPacketInfo
DESCRIPTION
Return RX metainfo pointer for for integrated SOC.
Same function will return BD header pointer.
DEPENDENCIES
PARAMETERS
IN
vosDataBuff vos data buffer
pvDestMacAddr destination MAC address ponter
bSwap Want to swap BD header? For backward compatability
It does nothing for integrated SOC
OUT
*ppRxHeader RX metainfo pointer
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_PeekRxPacketInfo
(
vos_pkt_t *vosDataBuff,
v_PVOID_t *ppRxHeader,
v_BOOL_t bSwap
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( NULL == vosDataBuff )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA:Invalid parameter sent on WDA_DS_PeekRxPacketInfo" );
return VOS_STATUS_E_FAULT;
}
*ppRxHeader = WDI_DS_ExtractRxMetaData( (wpt_packet*)vosDataBuff );
if ( NULL == *ppRxHeader )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA:Failed to get RX meta data from WDI" );
return VOS_STATUS_E_FAILURE;
}
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
VOS_STATUS vosStatus;
vosStatus = vos_pkt_peek_data( vosDataBuff, 0, (v_PVOID_t)ppRxHeader,
WLANHAL_RX_BD_HEADER_SIZE);
if ( ( VOS_STATUS_SUCCESS != vosStatus ) || ( NULL == (v_PVOID_t)ppRxHeader ) )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WDA :Cannot extract BD header" );
return VOS_STATUS_E_FAILURE;
}
if ( VOS_TRUE == bSwap )
{
WLANHAL_SwapRxBd( *ppRxHeader );
}
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_GetFrameTypeSubType
DESCRIPTION
Get typeSubtype from the packet. The BD header should have this.
But some reason, Libra/Volans read it from 802.11 header and save it
back to BD header. So for NON integrated SOC, this function does
the same.
For integrated SOC, WDI does the same, not TL.
It does return typeSubtype from RX meta info for integrated SOC.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
vosDataBuff vos data buffer
pRxHeader RX meta info or BD header pointer
OUT
ucTypeSubtype typeSubtype
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_GetFrameTypeSubType
(
v_PVOID_t pvosGCtx,
vos_pkt_t *vosDataBuff,
v_PVOID_t pRxHeader,
v_U8_t *ucTypeSubtype
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( NULL == pRxHeader )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA:Invalid parameter sent on WDA_DS_GetFrameTypeSubType" );
return VOS_STATUS_E_FAULT;
}
*ucTypeSubtype = ( WDA_GET_RX_TYPE( pRxHeader ) << 4 ) | WDA_GET_RX_SUBTYPE( pRxHeader );
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
v_PVOID_t pvBDHeader = pRxHeader;
v_U16_t usFrmCtrl = 0;
v_U8_t ucFrmType;
v_SIZE_t usFrmCtrlSize = sizeof(usFrmCtrl);
VOS_STATUS vosStatus;
/*---------------------------------------------------------------------
Extract frame control field from 802.11 header if present
(frame translation not done)
---------------------------------------------------------------------*/
vosStatus = vos_pkt_extract_data( vosDataBuff,
( 0 == WLANHAL_RX_BD_GET_FT(pvBDHeader) ) ?
WLANHAL_RX_BD_GET_MPDU_H_OFFSET(pvBDHeader):
WLANHAL_RX_BD_HEADER_SIZE,
&usFrmCtrl, &usFrmCtrlSize );
if (( VOS_STATUS_SUCCESS != vosStatus ) ||
( sizeof(usFrmCtrl) != usFrmCtrlSize ))
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WLAN TL: Cannot extract Frame Control Field" );
return VOS_STATUS_E_FAILURE;
}
ucFrmType = (v_U8_t)WLANHAL_RxBD_GetFrameTypeSubType( pvBDHeader,
usFrmCtrl);
WLANHAL_RX_BD_SET_TYPE_SUBTYPE(pvBDHeader, ucFrmType);
*ucTypeSubtype = ucFrmType;
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_RxAmsduBdFix
DESCRIPTION
For backward compatability with Libra/Volans. Need to call HAL function
for HW BD bug fix
It does nothing for integrated SOC.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
pvBDHeader BD header pointer
OUT
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_RxAmsduBdFix
(
v_PVOID_t pvosGCtx,
v_PVOID_t pvBDHeader
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/* Do nothing for Prima */
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
/* AMSDU HW bug fix
* After 2nd AMSDU subframe HW could not handle BD correctly
* HAL workaround is needed */
WLANHAL_RxAmsduBdFix(pvosGCtx, pvBDHeader);
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_GetRssi
DESCRIPTION
Get RSSI
TODO It returns hardcoded value in the meantime since WDA/WDI does nothing
support it yet for Prima.
DEPENDENCIES
PARAMETERS
IN
vosDataBuff vos data buffer
OUT
puRssi RSSI
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_GetRssi
(
v_PVOID_t pvosGCtx,
v_S7_t* puRssi
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WDA:halPS_GetRssi no longer supported. Need replacement");
*puRssi = -30;
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
halPS_GetRssi(vos_get_context(VOS_MODULE_ID_SME, pvosGCtx), puRssi);
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_GetTxResources
DESCRIPTION
It does return hardcoded value. It should bigger number than 0.
Returning 0 will put TL in out-of-resource condition for TX.
Return current PDU resources from BAL for NON integrated SOC.
DEPENDENCIES
PARAMETERS
IN
vosDataBuff vos data buffer
OUT
puResCount available PDU number for TX
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_GetTxResources
(
v_PVOID_t pvosGCtx,
v_U32_t* puResCount
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/* Return minimum necessary number of packet(DXE descriptor) for data */
/* TODO Need to get this from DXE??? */
*puResCount = WDA_TLI_BD_PDU_RESERVE_THRESHOLD + 50;
return VOS_STATUS_SUCCESS;
#else /* FEATURE_WLAN_INTEGRATED_SOC */
return WLANBAL_GetTxResources( pvosGCtx, puResCount );
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
FUNCTION WDA_DS_GetReplayCounter
DESCRIPTION
Return replay counter from BD header or RX meta info
DEPENDENCIES
PARAMETERS
IN
pRxHeader RX meta info or BD header pointer
OUT
RETURN VALUE
Replay Counter
SIDE EFFECTS
============================================================================*/
v_U64_t
WDA_DS_GetReplayCounter
(
v_PVOID_t pRxHeader
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
return WDA_GET_RX_REPLAY_COUNT( pRxHeader );
#else /* FEATURE_WLAN_INTEGRATED_SOC */
v_U8_t *pucRxBDHeader = pRxHeader;
/* 48-bit replay counter is created as follows
from RX BD 6 byte PMI command:
Addr : AES/TKIP
0x38 : pn3/tsc3
0x39 : pn2/tsc2
0x3a : pn1/tsc1
0x3b : pn0/tsc0
0x3c : pn5/tsc5
0x3d : pn4/tsc4 */
#ifdef ANI_BIG_BYTE_ENDIAN
v_U64_t ullcurrentReplayCounter = 0;
/* Getting 48-bit replay counter from the RX BD */
ullcurrentReplayCounter = WLANHAL_RX_BD_GET_PMICMD_20TO23(pucRxBDHeader);
ullcurrentReplayCounter <<= 16;
ullcurrentReplayCounter |= (( WLANHAL_RX_BD_GET_PMICMD_24TO25(pucRxBDHeader) & 0xFFFF0000) >> 16);
return ullcurrentReplayCounter;
#else
v_U64_t ullcurrentReplayCounter = 0;
/* Getting 48-bit replay counter from the RX BD */
ullcurrentReplayCounter = (WLANHAL_RX_BD_GET_PMICMD_24TO25(pucRxBDHeader) & 0x0000FFFF);
ullcurrentReplayCounter <<= 32;
ullcurrentReplayCounter |= WLANHAL_RX_BD_GET_PMICMD_20TO23(pucRxBDHeader);
return ullcurrentReplayCounter;
#endif
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/*==========================================================================
FUNCTION WDA_DS_TxFrames
DESCRIPTION
Pull packets from TL and push them to WDI. It gets invoked upon
WDA_DS_TX_START_XMIT.
This function is equivelant of WLANSSC_Transmit in Libra/Volans.
TODO
This function should be implemented and moved in WDI.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
OUT
RETURN VALUE
VOS_STATUS_E_FAULT: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_TxFrames
(
v_PVOID_t pvosGCtx
)
{
VOS_STATUS vosStatus;
vos_pkt_t *pTxMgmtChain = NULL;
vos_pkt_t *pTxDataChain = NULL;
vos_pkt_t *pTxPacket = NULL;
v_BOOL_t bUrgent;
wpt_uint32 ucTxResReq;
WDI_Status wdiStatus;
tWDA_CbContext *wdaContext = NULL;
v_U32_t uMgmtAvailRes;
v_U32_t uDataAvailRes;
WLANTL_TxCompCBType pfnTxComp = NULL;
wdaContext = (tWDA_CbContext *)vos_get_context(VOS_MODULE_ID_WDA, pvosGCtx);
if ( NULL == wdaContext )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA:Invalid wda context pointer from pvosGCtx on WDA_DS_TxFrames" );
return VOS_STATUS_E_FAULT;
}
/*-------------------------------------------------------------------------
Need to fetch separatelly for Mgmt and Data frames because TL is not
aware of separate resource management at the lower levels
-------------------------------------------------------------------------*/
/*Mgmt tx*/
uMgmtAvailRes = WDI_GetAvailableResCount(wdaContext->pWdiContext,
WDI_MGMT_POOL_ID);
ucTxResReq = WLANTL_GetFrames( pvosGCtx,
&pTxMgmtChain,
uMgmtAvailRes,
(wdaContext->uTxFlowMask & WDA_HI_FLOW_MASK),
&bUrgent );
// We need to initialize vsoStatus in case we don't enter the "while"
// loop. If we don't enter the loop, it means that there are no packets,
// available, and that is considered success. If we enter the loop,
// vosStatus will be set appropriately inside the loop
vosStatus = VOS_STATUS_SUCCESS;
while ( NULL != pTxMgmtChain )
{
/* Walk the chain and unchain the packet */
pTxPacket = pTxMgmtChain;
vosStatus = vos_pkt_walk_packet_chain( pTxMgmtChain, &pTxMgmtChain, VOS_TRUE );
if( (VOS_STATUS_SUCCESS != vosStatus) &&
(VOS_STATUS_E_EMPTY != vosStatus) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA Walking packet chain returned status : %d", vosStatus );
VOS_ASSERT( 0 );
vosStatus = VOS_STATUS_E_FAILURE;
break;
}
if ( VOS_STATUS_E_EMPTY == vosStatus )
{
vosStatus = VOS_STATUS_SUCCESS;
}
wdiStatus = WDI_DS_TxPacket( wdaContext->pWdiContext,
(wpt_packet*)pTxPacket,
0 /* more */ );
if ( WDI_STATUS_SUCCESS != wdiStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WDA : Pushing a packet to WDI failed.");
VOS_ASSERT( wdiStatus != WDI_STATUS_E_NOT_ALLOWED );
//We need to free the packet here
vos_pkt_get_user_data_ptr(pTxPacket, VOS_PKT_USER_DATA_ID_TL, (void **)&pfnTxComp);
if(pfnTxComp)
{
pfnTxComp(pvosGCtx, pTxPacket, VOS_STATUS_E_FAILURE);
}
}
};
/*Data tx*/
uDataAvailRes = WDI_GetAvailableResCount(wdaContext->pWdiContext,
WDI_DATA_POOL_ID);
ucTxResReq = WLANTL_GetFrames( pvosGCtx,
&pTxDataChain,
/*WDA_DS_DXE_RES_COUNT*/ uDataAvailRes,
(wdaContext->uTxFlowMask & WDA_LO_FLOW_MASK),
&bUrgent );
// We need to initialize vsoStatus in case we don't enter the "while"
// loop. If we don't enter the loop, it means that there are no packets,
// available, and that is considered success. If we enter the loop,
// vosStatus will be set appropriately inside the loop
vosStatus = VOS_STATUS_SUCCESS;
while ( NULL != pTxDataChain )
{
/* Walk the chain and unchain the packet */
pTxPacket = pTxDataChain;
vosStatus = vos_pkt_walk_packet_chain( pTxDataChain, &pTxDataChain, VOS_TRUE );
if( (VOS_STATUS_SUCCESS != vosStatus) &&
(VOS_STATUS_E_EMPTY != vosStatus) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA Walking packet chain returned status : %d", vosStatus );
VOS_ASSERT( 0 );
vosStatus = VOS_STATUS_E_FAILURE;
break;
}
if ( VOS_STATUS_E_EMPTY == vosStatus )
{
vosStatus = VOS_STATUS_SUCCESS;
}
wdiStatus = WDI_DS_TxPacket( wdaContext->pWdiContext,
(wpt_packet*)pTxPacket,
0 /* more */ );
if ( WDI_STATUS_SUCCESS != wdiStatus )
{
VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
"WDA : Pushing a packet to WDI failed.");
VOS_ASSERT( wdiStatus != WDI_STATUS_E_NOT_ALLOWED );
//We need to free the packet here
vos_pkt_get_user_data_ptr(pTxPacket, VOS_PKT_USER_DATA_ID_TL, (void **)&pfnTxComp);
if(pfnTxComp)
{
pfnTxComp(pvosGCtx, pTxPacket, VOS_STATUS_E_FAILURE);
}
}
};
WDI_DS_TxComplete(wdaContext->pWdiContext, ucTxResReq);
return vosStatus;
}
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
/*==========================================================================
FUNCTION WDA_DS_TxFlowControlCallback
DESCRIPTION
Invoked by WDI to control TX flow.
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
uFlowMask TX channel mask for flow control
Defined in WDA_TXFlowEnumType
OUT
RETURN VALUE
SIDE EFFECTS
============================================================================*/
v_VOID_t
WDA_DS_TxFlowControlCallback
(
v_PVOID_t pvosGCtx,
v_U8_t ucFlowMask
)
{
tWDA_CbContext* wdaContext = NULL;
v_U8_t ucOldFlowMask;
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( NULL == pvosGCtx )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid parameter sent on WDA_DS_TxFlowControlCallback" );
return;
}
wdaContext = (tWDA_CbContext *)vos_get_context( VOS_MODULE_ID_WDA, pvosGCtx );
if ( NULL == wdaContext )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid context on WDA_DS_TxFlowControlCallback" );
return;
}
/* two physical DXE channels
1) data packets(all four AC) and BAP for the low priority channel(lower 4 bits)
2) management packets for high priority channel(5th bit)
*/
/*Save and reset */
ucOldFlowMask = wdaContext->uTxFlowMask;
wdaContext->uTxFlowMask = ucFlowMask;
/*If the AC is being enabled - resume data xfer
Assume previous value of wdaContext->uTxFlowMask:
DATA\MGM | ON | OFF
----------------------
ON | 1F | 0F *
----------------------
OFF | 10 *| 00 *
* - states in which a channel can be enabled
ucFlowMask will tell which channel must be enabled
to enable a channel a new bit must be turned on =>
ucFlowMask > wdaContext->uTxFlowMask when enable happens
*/
if ( ucFlowMask > ucOldFlowMask )
{
WDA_DS_StartXmit(pvosGCtx);
}
}
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
/*==========================================================================
FUNCTION WDA_DS_GetTxFlowMask
DESCRIPTION
return TX flow mask control value
DEPENDENCIES
PARAMETERS
IN
pvosGCtx VOS context
OUT
uFlowMask TX channel mask for flow control
Defined in WDA_TXFlowEnumType
RETURN VALUE
VOS_STATUS_E_INVAL: pointer is NULL and other errors
VOS_STATUS_SUCCESS: Everything is good :)
SIDE EFFECTS
============================================================================*/
VOS_STATUS
WDA_DS_GetTxFlowMask
(
v_PVOID_t pvosGCtx,
v_U8_t* puFlowMask
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
tWDA_CbContext* wdaContext = NULL;
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( ( NULL == pvosGCtx ) || ( NULL == puFlowMask ) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid parameter sent on WDA_DS_GetTxFlowMask" );
return VOS_STATUS_E_INVAL;
}
wdaContext = (tWDA_CbContext *)vos_get_context( VOS_MODULE_ID_WDA, pvosGCtx );
if ( NULL == wdaContext )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid context on WDA_DS_GetTxFlowMask" );
return VOS_STATUS_E_INVAL;
}
*puFlowMask = wdaContext->uTxFlowMask;
return VOS_STATUS_SUCCESS;
#else
*puFlowMask = WDA_TXFLOWMASK;
return VOS_STATUS_SUCCESS;
#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
v_VOID_t
WDA_DS_TxCompleteCB
(
v_PVOID_t pvosGCtx,
v_PVOID_t pFrameDataBuff
)
{
tWDA_CbContext* wdaContext = NULL;
WDI_DS_TxMetaInfoType* pTxMetadata;
VOS_STATUS vosStatus;
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
/*------------------------------------------------------------------------
Sanity check
------------------------------------------------------------------------*/
if ( ( NULL == pvosGCtx ) || ( NULL == pFrameDataBuff ) )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid parameter sent on WDA_DS_TxCompleteCB" );
return;
}
wdaContext = (tWDA_CbContext *)vos_get_context( VOS_MODULE_ID_WDA, pvosGCtx );
if ( NULL == wdaContext )
{
VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
"WDA: Invalid context on WDA_DS_TxCompleteCB" );
return;
}
// extract metadata from PAL packet
pTxMetadata = WDI_DS_ExtractTxMetaData( (wpt_packet*)pFrameDataBuff );
if ( eWLAN_PAL_STATUS_SUCCESS == pTxMetadata->txCompleteStatus )
vosStatus = VOS_STATUS_SUCCESS;
else
vosStatus = VOS_STATUS_E_FAILURE;
wdaContext->pfnTxCompleteCallback( pvosGCtx, pFrameDataBuff, vosStatus );
}
#endif /* FEATURE_WLAN_INTEGRATED_SOC */